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From: Hans Petter Selasky <hselasky@FreeBSD.org>
Date: Mon, 23 May 2016 12:10:28 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r300498 - head/sys/compat/linuxkpi/common/include/linux
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Author: hselasky
Date: Mon May 23 12:10:28 2016
New Revision: 300498
URL: https://svnweb.freebsd.org/changeset/base/300498

Log:
  Add more ktime related functions to the LinuxKPI.
  
  Obtained from:	kmacy @
  MFC after:	1 week
  Sponsored by:	Mellanox Technologies

Modified:
  head/sys/compat/linuxkpi/common/include/linux/ktime.h

Modified: head/sys/compat/linuxkpi/common/include/linux/ktime.h
==============================================================================
--- head/sys/compat/linuxkpi/common/include/linux/ktime.h	Mon May 23 12:06:34 2016	(r300497)
+++ head/sys/compat/linuxkpi/common/include/linux/ktime.h	Mon May 23 12:10:28 2016	(r300498)
@@ -51,6 +51,24 @@ ktime_to_ns(ktime_t kt)
 	return kt.tv64;
 }
 
+static inline int64_t
+ktime_divns(const ktime_t kt, int64_t div)
+{
+	return kt.tv64 / div;
+}
+
+static inline int64_t
+ktime_to_us(ktime_t kt)
+{
+        return ktime_divns(kt, NSEC_PER_USEC);
+}
+
+static inline int64_t
+ktime_to_ms(ktime_t kt)
+{
+        return ktime_divns(kt, NSEC_PER_MSEC);
+}
+
 static inline struct timeval
 ktime_to_timeval(ktime_t kt)
 {
@@ -89,6 +107,20 @@ ktime_sub(ktime_t lhs, ktime_t rhs)
 	return (lhs);
 }
 
+static inline int64_t
+ktime_us_delta(ktime_t later, ktime_t earlier)
+{
+        ktime_t diff = ktime_sub(later, earlier);
+        return ktime_to_us(diff);
+}
+
+static inline int64_t
+ktime_ms_delta(ktime_t later, ktime_t earlier)
+{
+        ktime_t diff = ktime_sub(later, earlier);
+        return ktime_to_ms(diff);
+}
+
 static inline ktime_t
 ktime_add(ktime_t lhs, ktime_t rhs)
 {